<template>
  <div class="my-counter">
    <button
      type="button"
      class="btn btn-light"
      :disabled="obj2.goods_count===1"
      @click="obj2.goods_count--"
    >-</button>
    <input type="number" class="form-control inp" v-model.lazy="obj2.goods_count" />
    <button type="button" class="btn btn-light" @click="obj2.goods_count++">+</button>
  </div>
</template>

<script>
export default {
  // 接收传过来的数据
  updated() {
    if (this.obj2.goods_count < 1) {
      this.obj2.goods_count = 1;
    }
  },
  props: {
    obj2: {
      type: Object
    }
  }
};
</script>

<style lang="less" scoped>
.my-counter {
  display: flex;
  .inp {
    width: 45px;
    text-align: center;
    margin: 0 10px;
  }
  .btn,
  .inp {
    transform: scale(0.9);
  }
}
</style>